#include <stdio.h>
int main() {
    char ar1[5000], ar2[50];
    gets(ar1);
    int i = 0, j = 0;
    while (ar1[i]) {
        if (ar1[i] == ' ') {
            if (ar1[i + 1] >= 97) {
                ar1[i + 1] = ar1[i + 1] - 32;
            }
            ar2[j] = ar1[i + 1];
            j++;
        }
        if (i == 0) {
            if (ar1[i] >= 97) {
                ar1[i] = ar1[i] - 32;
            }
            ar2[j] = ar1[i];
            j++;
        }
        i++;
    }
    for (i = 0; i < j; i++) {
        printf("%c", ar2[i]);
    }
    return 0;
}