#include <stdio.h>

int main(){
    int a[10];
    int n=5;
    
    for(int i=0;i<n;i++){
        scanf("%1d",&a[i]);// %1d reads a single digit
    }
    
    for(int i=5-1;i>=0;i--){
        printf("%d",a[i]);
    }
}

#if 0
int main(){
    char a[10];
    
    for(int i=0;i<5;i++){
        scanf("%c",&a[i]);    
    }
    
    for(int j=5-1;j>=0;j--){
        printf("%c",a[j]);
    }
    return 0;
}
#endif

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