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#include<iostream>
#include<cstring>
using namespace std;
char s[1005];
int main ()
{gets(s);int len=strlen(s);int cnt=0;for(int i=0;i<=len;i++){if(s[i]!=' '){cnt++;}else if(cnt!=0&&i!=len){cout<<cnt<<",";cnt=0;}if(i==len){cnt++;cout<<cnt;}}return 0;
}