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

int main() {
    int n=1,i,j;
    int *ptr;
    
    ptr=(int*)calloc(n,sizeof(int));
    
    for(i=0;i<n;i++){
        scanf("%d",ptr+i);
    }
    
    for(j=0;j<n;j++){
        printf("%d",*(ptr+j));
    }
    
    free(ptr); 
    return 0;
}

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