M, R.

E1: continuous.
E2: continuous.
E3: continuous.
E4: continuous.
E5: continuous.
E6: continuous.
E7: continuous.
E8: continuous.
E9: continuous.
E10: continuous.
E11: continuous.
E12: continuous.
E13: continuous.
E14: continuous.
E15: continuous.
E16: continuous.
E17: continuous.
E18: continuous.
E19: continuous.
E20: continuous.
E21: continuous.
E22: continuous.
E23: continuous.
E24: continuous.
E25: continuous.
E26: continuous.
E27: continuous.
E28: continuous.
E29: continuous.
E30: continuous.
E31: continuous.
E32: continuous.
E33: continuous.
E34: continuous.
E35: continuous.
E36: continuous.
E37: continuous.
E38: continuous.
E39: continuous.
E40: continuous.
E41: continuous.
E42: continuous.
E43: continuous.
E44: continuous.
E45: continuous.
E46: continuous.
E47: continuous.
E48: continuous.
E49: continuous.
E50: continuous.
E51: continuous.
E52: continuous.
E53: continuous.
E54: continuous.
E55: continuous.
E56: continuous.
E57: continuous.
E58: continuous.
E59: continuous.
E60: continuous.