src.c:7:5: error: expected expression before 'int'
a = int （input）
^
src.c:7:5: error: stray '\357' in program
src.c:7:5: error: stray '\274' in program
src.c:7:5: error: stray '\210' in program
src.c:7:5: error: stray '\357' in program
src.c:7:5: error: stray '\274' in program
src.c:7:5: error: stray '\211' in program
src.c:11:5: error: stray '\357' in program
print（a*a）
^
src.c:11:5: error: stray '\274' in program
src.c:11:5: error: stray '\210' in program
src.c:11:5: error: stray '\357' in program
src.c:11:5: error: stray '\274' in program
src.c:11:5: error: stray '\211' in program