#include<stdio.h>
int main()
{
    char input_char;
    int ascii_value;
    input_char = getchar();
    int is_uppercase = ((input_char >= 'A') && (input_char <='Z'));
    int conversion_offset = is_uppercase *32;
    ascii_value = input_char +_conversion_offset;
    printf("%d\n", ascii_value);
    return 0;
    
}