#include<stdio.h>
int main() {
printf("02/02/2000\n02/02/2002\n02/02/2020\n02/02/2022\n02/02/2200\n02/02/2202\n02/02/2220\n02/02/2222\n20/02/2000\n20/02/2002\n20/02/2020\n20/02/2022\n20/02/2200\n20/02/2202\n20/02/2220\n20/02/2222\n22/02/2000\n22/02/2002\n22/02/2020\n22/02/2022\n22/02/2200\n22/02/2202\n22/02/2220\n22/02/2222");
}
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