#include <stdio.h>
int main(){
int n;
int numbers[n];
for(int i=0;i<n;i++){
scanf("%d",&numbers[i]);
}
for(int i=0;i<n;i++){
for(int j=i+1;j<n;j++){
int temp=numbers[j];
numbers[j]=numbers[i];
numbers[i]=temp;
}
}
for(int i=0;i<n;i++){
printf("%d",numbers[i]);
}
}
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