tab = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
while True:
     x = input()
     x = x.split()
     a = x[0]  #z
     b = int(x[1])  #3
     c = int(x[2])  #6
     if a == 'z':
          tab[b] = c
          x = tab[b]
     elif a == '+':
          c = tab[b] + tab[c]
          print(int(c))
     elif a == '-':
          c = tab[b] - tab[c]
          print(int(c))
     elif a == '*':
          c = tab[b] * tab[c]
          print(int(c))
     elif a == '/':
          c = tab[b] / tab[c]
          print(int(c))
     elif a == '%':
          c = tab[b] % tab[c]
          print(int(c))

dGFiID0gWzAsIDAsIDAsIDAsIDAsIDAsIDAsIDAsIDAsIDBdCndoaWxlIFRydWU6CiAgICAgeCA9IGlucHV0KCkKICAgICB4ID0geC5zcGxpdCgpCiAgICAgYSA9IHhbMF0gICN6CiAgICAgYiA9IGludCh4WzFdKSAgIzMKICAgICBjID0gaW50KHhbMl0pICAjNgogICAgIGlmIGEgPT0gJ3onOgogICAgICAgICAgdGFiW2JdID0gYwogICAgICAgICAgeCA9IHRhYltiXQogICAgIGVsaWYgYSA9PSAnKyc6CiAgICAgICAgICBjID0gdGFiW2JdICsgdGFiW2NdCiAgICAgICAgICBwcmludChpbnQoYykpCiAgICAgZWxpZiBhID09ICctJzoKICAgICAgICAgIGMgPSB0YWJbYl0gLSB0YWJbY10KICAgICAgICAgIHByaW50KGludChjKSkKICAgICBlbGlmIGEgPT0gJyonOgogICAgICAgICAgYyA9IHRhYltiXSAqIHRhYltjXQogICAgICAgICAgcHJpbnQoaW50KGMpKQogICAgIGVsaWYgYSA9PSAnLyc6CiAgICAgICAgICBjID0gdGFiW2JdIC8gdGFiW2NdCiAgICAgICAgICBwcmludChpbnQoYykpCiAgICAgZWxpZiBhID09ICclJzoKICAgICAgICAgIGMgPSB0YWJbYl0gJSB0YWJbY10KICAgICAgICAgIHByaW50KGludChjKSk=

eiAzIDYKeiAxIDg5CnogMiA2MAp6IDAgMTEKKyAwIDEKLSAxIDIKKiAyIDMKLyAzIDAKJSAzIDE=

z 3 6
z 1 89
z 2 60
z 0 11
+ 0 1
- 1 2
* 2 3
/ 3 0
% 3 1