#include <stdio.h>
int main(void)
{
int i, j;
for(i=0;i<3;i++)
{
for(j=0;j<4;j++)
{
}
}
return 0;
}
I2luY2x1ZGUgIDxzdGRpby5oPgppbnQgbWFpbih2b2lkKQp7CiAgICBpbnQgaSwgajsKICAgIGZvcihpPTA7aTwzO2krKykKICAgIHsKICAgIAlwcmludGYoImk9JWQ6IixpKTsKICAgIAlmb3Ioaj0wO2o8NDtqKyspCiAgICAJewogICAgCQlwcmludGYoImo9JWQiLGopOwogICAgCX0KICAgIAlwcmludGYoIlxuIik7CiAgICB9CiAgICByZXR1cm4gMDsKfQo=