import math, sys


inst = sys.argv[1]
lw = sys.argv[2]
hi = sys.argv[3]
h = sys.argv[4]
inst = inst.replace("sin", "math.sin")
inst = inst.replace("cos", "math.cos")
inst = inst.replace("tan", "math.tan")
inst = inst.replace("sqrt", "math.sqrt")
inst = inst.replace("^", "**")
f = open("output", 'w')
x = lw
while x <=hi:
    f.write(x + ' ' + eval(inst)+'\n')
    x+=h
f.close()