/*
letter frequency counter
Maiko Teramoto  Oct 12, 1999
*/

#include <stdio.h>

main ()
{
   int a, b, c, d, e, f, g, h, i, j, k, l, m ;
   int n, o, p, q, r, s, t, u, v, w, x, y, z ;
   int cc ;
   int count = 0 ;

   a = 0, b = 0, c = 0, d = 0, e = 0, f = 0, g = 0, h = 0, i = 0, j = 0,
k = 0, l = 0, m = 0 ;
   n = 0, o = 0, p = 0, q = 0, r = 0, s = 0, t = 0, u = 0, v = 0, w = 0,
x = 0, y = 0, z = 0 ;

 while ( ( cc = getchar() ) != EOF )
 {
     if ( ( cc == 'A') || ( cc == 'a') )
        a++ ;
     else if ( ( cc == 'B' ) || ( cc == 'b' ) )
        b++ ;
     else if ( ( cc == 'C' ) || ( cc == 'c' ) )
        c++ ;
     else if ( ( cc == 'D' ) || ( cc == 'd' ) )
        d++ ;
     else if ( ( cc == 'E' ) || ( cc == 'e' ) )
        e++ ;
     else if ( ( cc == 'F' ) || ( cc == 'f' ) )
        f++ ;
     else if ( ( cc == 'G' ) || ( cc == 'g' ) )
        g++ ;
     else if ( ( cc == 'H' ) || ( cc == 'h' ) )
        h++ ;
     else if ( ( cc == 'I' ) || ( cc == 'i' ) )
        i++ ;
     else if ( ( cc == 'J' ) || ( cc == 'j' ) )
        j++ ;
     else if ( ( cc == 'K' ) || ( cc == 'k' ) )
        k++ ;
     else if ( ( cc == 'L' ) || ( cc == 'l' ) )
        l++ ;
     else if ( ( cc == 'M' ) || ( cc == 'm' ) )
        m++ ;
     else if ( ( cc == 'N' ) || ( cc == 'n' ) )
        n++ ;
     else if ( ( cc == 'O' ) || ( cc == 'o' ) )
        o++ ;
     else if ( ( cc == 'P' ) || ( cc == 'p' ) )
        p++ ;
     else if ( ( cc == 'Q' ) || ( cc == 'q' ) )
        q++ ;
     else if ( ( cc == 'R' ) || ( cc == 'r' ) )
        r++ ;
     else if ( ( cc == 'S' ) || ( cc == 's' ) )
        s++ ;
     else if ( ( cc == 'T' ) || ( cc == 't' ) )
        t++ ;
     else if ( ( cc == 'U' ) || ( cc == 'u' ) )
        u++ ;
     else if ( ( cc == 'V' ) || ( cc == 'v' ) )
        v++ ;
     else if ( ( cc == 'W' ) || ( cc == 'w' ) )
        w++ ;
     else if ( ( cc == 'X' ) || ( cc == 'x' ) )
        x++ ;
     else if ( ( cc == 'Y' ) || ( cc == 'y' ) )
        y++ ;
     else if ( ( cc == 'Z' ) || ( cc == 'z' ) )
        z++ ;

     if ( ( cc >= 'A' ) && ( cc <= 'Z' ) || ( cc >= 'a' ) && ( cc <= 'z'
) )
        count ++ ;
 } /*while*/

   printf( "%d letters counted in total.\n" , count ) ;

   printf( "a %.2f %\n" , 100.0 * (float)a / (float)count ) ;
   printf( "b %.2f %\n" , 100.0 * (float)b / (float)count ) ;
   printf( "c %.2f %\n" , 100.0 * (float)c / (float)count ) ;
   printf( "d %.2f %\n" , 100.0 * (float)d / (float)count ) ;
   printf( "e %.2f %\n" , 100.0 * (float)e / (float)count ) ;
   printf( "f %.2f %\n" , 100.0 * (float)f / (float)count ) ;
   printf( "g %.2f %\n" , 100.0 * (float)g / (float)count ) ;
   printf( "h %.2f %\n" , 100.0 * (float)h / (float)count ) ;
   printf( "i %.2f %\n" , 100.0 * (float)i / (float)count ) ;
   printf( "j %.2f %\n" , 100.0 * (float)j / (float)count ) ;
   printf( "k %.2f %\n" , 100.0 * (float)k / (float)count ) ;
   printf( "l %.2f %\n" , 100.0 * (float)l / (float)count ) ;
   printf( "m %.2f %\n" , 100.0 * (float)m / (float)count ) ;
   printf( "n %.2f %\n" , 100.0 * (float)n / (float)count ) ;
   printf( "o %.2f %\n" , 100.0 * (float)o / (float)count ) ;
   printf( "p %.2f %\n" , 100.0 * (float)p / (float)count ) ;
   printf( "q %.2f %\n" , 100.0 * (float)q / (float)count ) ;
   printf( "r %.2f %\n" , 100.0 * (float)r / (float)count ) ;
   printf( "s %.2f %\n" , 100.0 * (float)s / (float)count ) ;
   printf( "t %.2f %\n" , 100.0 * (float)t / (float)count ) ;
   printf( "u %.2f %\n" , 100.0 * (float)u / (float)count ) ;
   printf( "v %.2f %\n" , 100.0 * (float)v / (float)count ) ;
   printf( "w %.2f %\n" , 100.0 * (float)w / (float)count ) ;
   printf( "x %.2f %\n" , 100.0 * (float)x / (float)count ) ;
   printf( "y %.2f %\n" , 100.0 * (float)y / (float)count ) ;
   printf( "z %.2f %\n" , 100.0 * (float)z / (float)count ) ;
} /*end of main()*/