View Compilation Error

0_0_32816903_1683.cpp:60:5: error: stray '\243' in program
     scanf("%s%s",a,b)；
     ^
0_0_32816903_1683.cpp:60:5: error: stray '\273' in program
0_0_32816903_1683.cpp: In function 'int main()':
0_0_32816903_1683.cpp:61:5: error: expected ';' before 'int'
     int len1=strlen(a);
     ^
0_0_32816903_1683.cpp:63:13: error: 'len1' was not declared in this scope
     int len=len1+len2+1;
             ^