#include <iostream>
#include <cstring>
using namespace std;
int main(){
char s[256];
int i,k;
cin.getline(s,256);
s[0]=s[0]-32;
for(i=1;i<strlen(s)-1;i++)
    if(s[i]!=' ' && (s[i+1]==' ' || s[i-1]==' '))
    s[i]=s[i]-32;
    k=strlen(s)-1;
    s[k]=s[k]-32;
    cout<<s;
    return 0;
}