a = 21
b = 10
c = 0
c = a + b
print "1 - c 的值为:", c
c += a
print "2 - c 的值为:", c
c *= a
print "3 - c 的值为:", c
c /= a
print "4 - c 的值为:", c
c = 2
c %= a
print "5 - c 的值为:", c
c **= a
print "6 - c 的值为:", c
c //= a
print "7 - c 的值为:", c# your code goes here
YSA9IDIxCmIgPSAxMApjID0gMAogCmMgPSBhICsgYgpwcmludCAiMSAtIGMg55qE5YC85Li677yaIiwgYwogCmMgKz0gYQpwcmludCAiMiAtIGMg55qE5YC85Li677yaIiwgYyAKIApjICo9IGEKcHJpbnQgIjMgLSBjIOeahOWAvOS4uu+8miIsIGMgCiAKYyAvPSBhIApwcmludCAiNCAtIGMg55qE5YC85Li677yaIiwgYyAKIApjID0gMgpjICU9IGEKcHJpbnQgIjUgLSBjIOeahOWAvOS4uu+8miIsIGMKIApjICoqPSBhCnByaW50ICI2IC0gYyDnmoTlgLzkuLrvvJoiLCBjCiAKYyAvLz0gYQpwcmludCAiNyAtIGMg55qE5YC85Li677yaIiwgYyMgeW91ciBjb2RlIGdvZXMgaGVyZQ==