#include <stdio.h>

int main (void){
    char d;
    scanf("%c", &d);

    if(d == 'A') printf("4\n");
    else if(d == 'E') printf("3\n");
    else if(d == 'G') printf("6\n");
    else if(d == 'I') printf("1\n");
    else if(d == 'O') printf("0\n");
    else if(d == 'S') printf("5\n");
    else printf("2\n");

    return 0;
}