#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(void) {
    char str[10001];
    fgets(str,sizeof(str),stdin);
    str[strcspn(str,"\n")] = '\0';
    int n = strlen(str);
    char output[100];
    int j = 1;
    if(n>=1){
      output[0] = str[0]-32;
    }
    else{
      j = 0;
    }
    for (int i = 0; i < n; i++){
        if(str[i]==' '){
          output[j++] = str[i+1] - 32;
        }
    }
    output[j] = '\0';
    printf("%s",output);
    
    
    return 0;
}