View Compilation Error

0_0_29469468_31972.cpp:40:1: error: expected '}' at end of input
 %
 ^
0_0_29469468_31972.cpp: In member function 'BigInt BigInt::operator=(int)':
0_0_29469468_31972.cpp:40:1: error: expected primary-expression before '%' token
0_0_29469468_31972.cpp:40:1: error: expected primary-expression at end of input
0_0_29469468_31972.cpp:40:1: error: expected '}' at end of input
0_0_29469468_31972.cpp: At global scope:
0_0_29469468_31972.cpp:40:1: error: expected unqualified-id at end of input