View Compilation Error

0_0_4016596_5695.c: In function `main':
0_0_4016596_5695.c:31: error: invalid operands to binary +
0_0_4016596_5695.c:32: error: incompatible types in assignment
0_0_4016596_5695.c:38: error: incompatible types in assignment
0_0_4016596_5695.c:44: error: incompatible types in assignment
0_0_4016596_5695.c:49: error: incompatible types in assignment
0_0_4016596_5695.c:55: error: incompatible types in assignment