#include <iostream>
using namespace std;
int main()
{
    char a[30];
    int i;
    cin.getline(a,30); //gets_s(a,30);在线编译器不能用
    for(i=0;a[i]!='\0';i++)
        cout<<a[i]<<" ";
    cout<<endl;
        return 0;   
}

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