View Compilation Error

0_0_12649280_6562.cpp: In function `int main()':
0_0_12649280_6562.cpp:5: error: stray '\163' in program
0_0_12649280_6562.cpp:5: error: stray '\161' in program
0_0_12649280_6562.cpp:5: error: `R0' undeclared (first use this function)
0_0_12649280_6562.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12649280_6562.cpp:5: error: expected `)' before '{' token