void b_main_sink(unsigned int data);void _main(){unsigned int data;data=0;fscanf (stdin, "%u", &data);b_main_sink(data);}void c_main_sink(unsigned int data);void b_main_sink(unsigned int data){c_main_sink(data);}void d_main_sink(unsigned int data);void c_main_sink(unsigned int data){d_main_sink(data);}void e_main_sink(unsigned int data);void d_main_sink(unsigned int data){e_main_sink(data);}void e_main_sink(unsigned int data){{unsigned int result=data-1;printUnsignedLine(result);}}
static void main(){unsigned int data;data=0;fscanf (stdin, "%u", &data);b_main_sink(data);}void b_main_sink(unsigned int data){c_main_sink(data);}void c_main_sink(unsigned int data){d_main_sink(data);}void d_main_sink(unsigned int data){e_main_sink(data);}void e_main_sink(unsigned int data){{unsigned int result=0;if (data > 0){result=data-1;printUnsignedLine(result);}else{printLine("Input value is too small to perform arithmetic safely.");}}}