#include <iostream>
int main() {
    int i = 3;
    do {
        (i == 3) ? (std::cout << "Is 3.\n", 0) : ++i;
        ++i;
 
    } while ( i < 4 );
    return 0;
}
				I2luY2x1ZGUgPGlvc3RyZWFtPgppbnQgbWFpbigpIHsKICAgIGludCBpID0gMzsKICAgIGRvIHsKICAgICAgICAoaSA9PSAzKSA/IChzdGQ6OmNvdXQgPDwgIklzIDMuXG4iLCAwKSA6ICsraTsKICAgICAgICArK2k7CgogICAgfSB3aGlsZSAoIGkgPCA0ICk7CiAgICByZXR1cm4gMDsKfQ==